227261 has 4 divisors (see below), whose sum is σ = 234624. Its totient is φ = 219900.

The previous prime is 227257. The next prime is 227267. The reversal of 227261 is 162722.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 227261 - 2² = 227257 is a prime.

It is a Duffinian number.

It is a plaindrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (227267) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3635 + ... + 3696.

It is an arithmetic number, because the mean of its divisors is an integer number (58656).

2²²⁷²⁶¹ is an apocalyptic number.

It is an amenable number.

227261 is a deficient number, since it is larger than the sum of its proper divisors (7363).

227261 is an equidigital number, since it uses as much as digits as its factorization.

227261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7362.

The product of its digits is 336, while the sum is 20.

The square root of 227261 is about 476.7189947967. The cubic root of 227261 is about 61.0250725562.

Adding to 227261 its reverse (162722), we get a palindrome (389983).

The spelling of 227261 in words is "two hundred twenty-seven thousand, two hundred sixty-one".